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Homework answers / question archive / Question 2 1 / 1 pts Which formal, mathematical approach to modeling perception uses conditional probabilities and prior probabilities to determine whether a hypothesis is true, given a certain set of observations? Bayes’ theory Template theory Gestalt grouping principles Recognition-by-components Pandemonium model Question 3 1 / 1 pts Which of the following is a loosely defined stage of visual processing that comes after basic features have been extracted from the image, and before object recognition and scene understanding? Hindsight Early vision High-level vision Middle vision Low-level vision Question 4 1 / 1 pts The axons of retinal ganglion cells synapse in the two lateral geniculate nuclei
Question 2
1 / 1 pts
Which formal, mathematical approach to modeling perception uses conditional probabilities and prior probabilities to determine whether a hypothesis is true, given a certain set of observations?
Bayes’ theory
Template theory
Gestalt grouping principles
Recognition-by-components
Pandemonium model
1 / 1 pts
Which of the following is a loosely defined stage of visual processing that comes after basic features have been extracted from the image, and before object recognition and scene understanding?
Hindsight
Early vision
High-level vision
Middle vision
Low-level vision
1 / 1 pts
The axons of retinal ganglion cells synapse in the two
lateral geniculate nuclei.
magnocellular layers.
koniocellular layers.
parvocellular layers.
cortexes.
1 / 1 pts
In retinitis pigmentosa, there is
loss of color in the iris of the eye.
degeneration of the pigment epithelium.
regeneration of too many photoreceptors.
loss of macular opacity.
loss of the ability to use the lens in order to focus.
1 / 1 pts
The retina
contains rods and cones.
contains watery fluid.
diffracts light.
is the tough outer covering that protects the eye.
focuses the image.
1 / 1 pts
End stopping is the process by which cells in the cortex first _______ their firing rate as the bar length _______ to fill up its receptive field, and then _______ their firing rate as the bar is lengthened further.
increase; decreases; decrease
decrease; decreases; increase
increase; increases; decrease
decrease; increases; decrease
stop; increases; increase
0 / 1 pts
The word “figure” in the term “figure-ground assignment” refers to
the “correct” interpretation of an ambiguous figure.
a group of separate lines that must be combined into a single object contour.
the number of distinct objects in an image.
the main object that is to be recognized in an image.
the background upon which an object is located.
0 / 1 pts
The dark, circular opening at the center of the eye, where light enters the eye is called the
iris.
retina.
lens.
cornea.
pupil.
1 / 1 pts
_______ sense light.
Ganglion cells
Horizontal cells
Rods and cones
Amacrine cells
Bipolar cells
1 / 1 pts
The high-resolution part of the eye that is used for detailed vision is called the
fovea.
cornea.
iris.
lens.
sclera.
0 / 1 pts
The method of _______ requires the observer to alter the strength of a stimulus until it matches some criterion.
adjustment
sensation and perception
limits
matching
constant stimuli
Question 2
1 / 1 pts
Which formal, mathematical approach to modeling perception uses conditional probabilities and prior probabilities to determine whether a hypothesis is true, given a certain set of observations?
Correct!
Bayes’ theory
Template theory
Gestalt grouping principles
Recognition-by-components
Pandemonium model
1 / 1 pts
Which of the following is a loosely defined stage of visual processing that comes after basic features have been extracted from the image, and before object recognition and scene understanding?
Hindsight
Early vision
High-level vision
Correct!
Middle vision
Low-level vision
1 / 1 pts
The axons of retinal ganglion cells synapse in the two
Correct!
lateral geniculate nuclei.
magnocellular layers.
koniocellular layers.
parvocellular layers.
cortexes.
1 / 1 pts
In retinitis pigmentosa, there is
loss of color in the iris of the eye.
Correct!
degeneration of the pigment epithelium.
regeneration of too many photoreceptors.
loss of macular opacity.
loss of the ability to use the lens in order to focus.
1 / 1 pts
The retina
Correct!
contains rods and cones.
contains watery fluid.
diffracts light.
is the tough outer covering that protects the eye.
focuses the image.
1 / 1 pts
End stopping is the process by which cells in the cortex first _______ their firing rate as the bar length _______ to fill up its receptive field, and then _______ their firing rate as the bar is lengthened further.
increase; decreases; decrease
decrease; decreases; increase
Correct!
increase; increases; decrease
decrease; increases; decrease
stop; increases; increase
0 / 1 pts
The word “figure” in the term “figure-ground assignment” refers to
the “correct” interpretation of an ambiguous figure.
a group of separate lines that must be combined into a single object contour.
the number of distinct objects in an image.
Correct answer
the main object that is to be recognized in an image.
You Answered
the background upon which an object is located.
0 / 1 pts
The dark, circular opening at the center of the eye, where light enters the eye is called the
Correct answer
iris.
retina.
lens.
cornea.
You Answered
pupil.
1 / 1 pts
_______ sense light.
Ganglion cells
Horizontal cells
Correct!
Rods and cones
Amacrine cells
Bipolar cells
1 / 1 pts
The high-resolution part of the eye that is used for detailed vision is called the
Correct!
fovea.
cornea.
iris.
lens.
sclera.
0 / 1 pts
The method of _______ requires the observer to alter the strength of a stimulus until it matches some criterion.
Correct answer
adjustment
sensation and perception
You Answered
limits
matching
constant stimuli